On committing to the Tigers, Kirk, who was out of contract at the end of the season, said: “I’m absolutely over the moon. Castleford is a Club that I didn’t want to leave.
“They decided they wanted to keep me and it wasn’t a tough decision. I owe the club a lot of gratitude and its somewhere that I want to be. I enjoy my time here and that’s why I decided to sign.”
Kirk has played in 20 matches this season, having scored 8 tries and 84 goals. During his entire Castleford career so far, he has made 119 appearances and scored 64 tries, 238 goals and 732 points.